Latest Jeffrey A. Wilson Stories
The skull of a juvenile sauropod dinosaur, rediscovered in the collections of Pittsburgh's Carnegie Museum of Natural History, illustrates that some sauropod species went through drastic changes in skull shape during normal growth.
The remains of a new herbivorous sauropod dinosaur, discovered near the world-famous Carnegie Quarry in Dinosaur National Monument, may help explain the evolution of the largest land animals ever to walk the earth.
A herd of young birdlike dinosaurs met their death on the muddy margins of a lake some 90 million years ago, according to a team of Chinese and American paleontologists that excavated the site in the Gobi Desert in western Inner Mongolia.
Nigersaurus, meaning "Niger lizard", is a genus of diplodocoid dinosaur from the Middle Cretaceous Period (during the Aptian or Albian age between 119 to 99 million years ago). It was first described by Paul Sereno and his colleagues in 1999. It was discovered in the Elrhaz Formation in the Niger Republic by Philippe Taquet in 1976. This sauropod had a short neck, much shorter than other sauropods. Despite being a stocky dinosaur, Nigersaurus reached a length of 29.5 feet. It was still...